To make the OC stand out, give them a strong moral code that is different from the norm at Hogwarts. Maybe they believe in absolute non - violence in all situations, which would be quite unique in a school where hexes are sometimes used casually. Their family background can also play a role. If they come from a family of magical healers but they have a natural inclination towards chaos magic, it creates an interesting contrast. Also, their speech pattern can be unique. They could use archaic magical terms that no one else uses, making them seem like a walking magical encyclopedia.
Well, a common plot is the OC having a secret that the twins accidentally discover. Maybe the OC is a Metamorphmagus and is trying to keep it under wraps, but the twins notice something strange and start investigating. This leads to a series of events where the three of them bond over the secret. Another plot could be that the OC is in a difficult situation, like being bullied by some Slytherins, and the twins come to their rescue. Then, a friendship and potentially more develops. There are also plots where the OC has a special mission or quest, and the twins join in to help, creating an adventure - filled story.
There's this fanfiction called 'Fred & George: Beyond the Jokes'. It really goes deep into their characters. It shows how they handle difficulties together and how their relationship evolves over time. It has some really heart - warming scenes that show the strength of their bond. There's also 'Twin Telepathy' which plays on the idea of their special connection and creates a really engaging story around it.
One common theme is their unbreakable bond. Fanfictions often explore how they are always there for each other, through thick and thin. Another theme is their mischievousness. Writers like to come up with new and creative pranks for them to pull.
One common theme is adventure. The OC often joins Fred on various adventures, whether it's exploring hidden parts of Hogwarts or going on a quest outside the school. Another theme is love against all odds. Since the OC is not a canon character, there are usually obstacles in their relationship that they have to overcome.
In 'fred and george x oc fanfiction', the theme of acceptance is often present. The OC may be different in some way, and Fred and George accept her for who she is. Another theme is the power of teamwork. They work together on various things, whether it's creating new magical products or getting out of trouble. And love triangles can also be a theme in some of these fanfictions, adding an element of drama to the story.
Another aspect is the deepening of their relationship with other characters. In many fanfictions, their love interests are often other characters from the Harry Potter series. This allows for the exploration of different relationships and how they interact with the existing storylines. It could be a Hogwarts student, or someone from the wizarding world outside of school. The fanfictions might show how their love changes them or makes them more determined in their adventures.
One common theme is the discovery of self. The OC often starts out not fully realizing their potential or who they are, and George helps them in that journey. Another theme is friendship turning into love. They usually start as friends, doing pranks together or sharing secrets, and then it gradually becomes romantic. For example, in many stories, they bond over their love for Quidditch or creating magical gadgets.
One interesting theme is their mischief - making. Fanfictions often explore their elaborate pranks and how they plan and execute them, which is always fun to read. For example, in many stories, they target Snape with their most outrageous pranks.